Download Fleasion
Free, open-source, and made by us. Change how your Roblox looks and sounds — right on your own PC.
Choose your system
Every build is published right here on the official Fleasion site — pick the one that matches your computer. No account, and no Python needed. (It's also mirrored on our open-source GitHub.)
Grab Fleasion.exe — portable, no installer. Right-click it and Run as administrator.
Grab the macOS build. On first launch it sets up a small helper — just approve it.
DownloadGrab the Linux build for the Sober Roblox client (needs PortAudio + pkexec).
Up and running in five steps
The whole thing takes about five minutes. No installer, no setup wizard.
Download it
Grab the build for your system right here on the official site (it's also mirrored on our open-source GitHub).
Run it
On Windows, right-click and choose Run as administrator — that fixes most hiccups. A SmartScreen "unknown publisher" prompt is normal: More info → Run anyway.
Approve the one-time setup
First launch adds a local certificate so it can work, then tucks itself into your system tray. Right-click the tray icon to reopen the Dashboard.
Launch Roblox through Fleasion
Use the Roblox Player button inside Fleasion, then pick your game — that's what routes your changes through it.
Add a swap, then clear the cache
Make a change in the Replacer, then clear the Roblox cache or restart Roblox so it shows up. This is the step people miss most.
Hit an error? Our full install guide fixes the DLL error, the "critical settings" error, macOS & Linux setup, and how to uninstall. New to it all? Start with how to use Fleasion.
What you're getting
Download FAQ
Is Fleasion free?
Yes — completely. It's free and open-source under GPL-3.0, with no ads, no paywall and no locked features. Tipping on Ko-fi is optional.
Which file do I download?
On Windows, the standalone Fleasion.exe. On macOS, the macOS build (Intel and Apple Silicon both work). On Linux, the build for the Sober Roblox client. They're all right here on the official site (and on our GitHub).
Is the download safe?
The genuine build from the official Fleasion site (or our open-source GitHub) is safe — anyone can read exactly what it does. The malware scares come from fake copies on mirror and "cracked" sites. Only download from the official site or our GitHub. More on safety →
Do I need Python?
No. The standalone builds include everything. Python is only for people who want to build it from source.
Is there a mobile or APK version?
No. Fleasion is desktop-only, and any "Fleasion APK" or phone app is fake. Here's why →
Why does Windows warn me?
SmartScreen shows an "unknown publisher" prompt because the app is small and unsigned — that's expected. Choose More info → Run anyway, but only if you got it from the official site or our GitHub.
Fleasionproxy